package com.fallsvc.re.networkprogramming.threadsafe;

import java.util.concurrent.ConcurrentHashMap;

/**
 * @auther falls_vc
 * description:
 * @date 2025/11/1  19:26
 */
public class Demo1 {
    public static void main(String[] args) {
        ConcurrentHashMap<String,Integer> concurrentHashMap = new ConcurrentHashMap<>();
        concurrentHashMap.put("w",1);
    }
}
